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| 型号： | AD7822BRZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 1CH 2MSPS 20-SOIC |
| 标准包装： | 1 |
| 位数： | 8 |
| 采样率（每秒）： | 2M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 36mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC W |
| 包装： | 标准包装 |
| 输入数目和类型： | 1 个单端，单极 |
| 产品目录页面： | 779 (CN2011-ZH PDF) |
| 其它名称： | AD7822BRZ-REEL7DKR |
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AD7822/AD7825/AD7829
Rev. C | Page 19 of 28
AD7822 STANDALONE OPERATION
The AD7822, being the single channel device, does not have any
multiplexer addressing associated with it and can be controlled
with just one signal, that is, the CONVST signal. As shown in
Figure 31, the RD and CS pins are both tied to the EOC pin.
The resulting signal can be used as an interrupt request signal
(IRQ) on a DSP, as a WR signal to memory, or as a CLK to a
latch or ASIC. The timing for this interface, as shown in Figure 31,
demonstrates how, with the CONVST signal alone, a conversion
can be initiated, data is latched out, and the operating mode of
the AD7822 can be selected.
AD7825/
AD7829
A0
A1
A2
CS
RD
DB7 TO DB0
CS
RD
DB0 TO DB7
A15 TO A3
A2 TO A0
ADC I/O ADDRESS
MUX ADDRESS
A/D RESULT
MUX ADDRESS
(CHANNEL SELECTION A0 TO A2)
LATCHED
MICROPROCESSOR READ CYCLE
ADDRESS
DECODE
SYST
EM
B
U
S
01
32
1-
03
1
A15 TO A3
Figure 30. AD7825/AD7829 Simplified Microinterfacing Scheme
CONVST
RD
CS
EOC
DB7 TO DB0
AD7822
DSP/
LATCH/ASIC
CONVST
EOC
RD
CS
DB0 TO DB7
A/D RESULT
t1
t4
01
32
1-
0
32
Figure 31. AD7822 Standalone Operation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7822BRZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:3 V/5 V, 2 MSPS, 8-Bit, 1-/4-/8-Channel Sampling ADCs |
| AD7823 | 制造商:AD 制造商全称:Analog Devices 功能描述:2.7 V to 5.5 V, 4.5 us, 8-Bit ADC in 8-Lead microSOIC/DIP |
| AD7823YN | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 8-bit Serial 8-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:8-BIT SERIAL SINGLE ADC I.C. - Bulk 制造商:Analog Devices 功能描述:IC 8BIT ADC 7823 DIP8 |
| AD7823YNZ | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 8-bit Serial 8-Pin PDIP 制造商:Analog Devices 功能描述:IC 8BIT ADC 7823 DIP8 |
| AD7823YNZ | 制造商:Analog Devices 功能描述:IC 8BIT ADC 7823 DIP8 |
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